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staging: comedi: ni_660x: remove inline private() function
The inline private() function simply returns the dev->private pointer to the private data. Remove the inline function and just use a local variable where the private data is used. Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com> Cc: Ian Abbott <abbotti@mev.co.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
H Hartley Sweeten
Greg Kroah-Hartman
parent
7e6c9bf696
commit
8c12ec2616
@ -443,11 +443,6 @@ struct ni_660x_private {
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unsigned short pfi_output_selects[NUM_PFI_CHANNELS];
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};
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static inline struct ni_660x_private *private(struct comedi_device *dev)
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{
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return dev->private;
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}
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/* initialized in ni_660x_attach_pci() */
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static inline const struct ni_660x_board *board(struct comedi_device *dev)
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{
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@ -737,8 +732,9 @@ static inline void ni_660x_write_register(struct comedi_device *dev,
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unsigned chip_index, unsigned bits,
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enum NI_660x_Register reg)
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{
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struct ni_660x_private *devpriv = dev->private;
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void __iomem *write_address =
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private(dev)->mite->daq_io_addr + GPCT_OFFSET[chip_index] +
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devpriv->mite->daq_io_addr + GPCT_OFFSET[chip_index] +
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registerData[reg].offset;
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switch (registerData[reg].size) {
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@ -758,8 +754,9 @@ static inline unsigned ni_660x_read_register(struct comedi_device *dev,
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unsigned chip_index,
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enum NI_660x_Register reg)
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{
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struct ni_660x_private *devpriv = dev->private;
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void __iomem *read_address =
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private(dev)->mite->daq_io_addr + GPCT_OFFSET[chip_index] +
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devpriv->mite->daq_io_addr + GPCT_OFFSET[chip_index] +
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registerData[reg].offset;
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switch (registerData[reg].size) {
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@ -806,54 +803,56 @@ static inline void ni_660x_set_dma_channel(struct comedi_device *dev,
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unsigned mite_channel,
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struct ni_gpct *counter)
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{
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struct ni_660x_private *devpriv = dev->private;
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unsigned long flags;
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spin_lock_irqsave(&private(dev)->soft_reg_copy_lock, flags);
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private(dev)->dma_configuration_soft_copies[counter->chip_index] &=
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spin_lock_irqsave(&devpriv->soft_reg_copy_lock, flags);
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devpriv->dma_configuration_soft_copies[counter->chip_index] &=
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~dma_select_mask(mite_channel);
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private(dev)->dma_configuration_soft_copies[counter->chip_index] |=
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devpriv->dma_configuration_soft_copies[counter->chip_index] |=
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dma_select_bits(mite_channel,
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dma_selection_counter(counter->counter_index));
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ni_660x_write_register(dev, counter->chip_index,
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private(dev)->
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dma_configuration_soft_copies
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devpriv->dma_configuration_soft_copies
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[counter->chip_index] |
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dma_reset_bit(mite_channel), DMAConfigRegister);
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mmiowb();
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spin_unlock_irqrestore(&private(dev)->soft_reg_copy_lock, flags);
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spin_unlock_irqrestore(&devpriv->soft_reg_copy_lock, flags);
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}
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static inline void ni_660x_unset_dma_channel(struct comedi_device *dev,
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unsigned mite_channel,
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struct ni_gpct *counter)
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{
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struct ni_660x_private *devpriv = dev->private;
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unsigned long flags;
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spin_lock_irqsave(&private(dev)->soft_reg_copy_lock, flags);
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private(dev)->dma_configuration_soft_copies[counter->chip_index] &=
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spin_lock_irqsave(&devpriv->soft_reg_copy_lock, flags);
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devpriv->dma_configuration_soft_copies[counter->chip_index] &=
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~dma_select_mask(mite_channel);
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private(dev)->dma_configuration_soft_copies[counter->chip_index] |=
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devpriv->dma_configuration_soft_copies[counter->chip_index] |=
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dma_select_bits(mite_channel, dma_selection_none);
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ni_660x_write_register(dev, counter->chip_index,
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private(dev)->
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dma_configuration_soft_copies
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devpriv->dma_configuration_soft_copies
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[counter->chip_index], DMAConfigRegister);
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mmiowb();
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spin_unlock_irqrestore(&private(dev)->soft_reg_copy_lock, flags);
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spin_unlock_irqrestore(&devpriv->soft_reg_copy_lock, flags);
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}
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static int ni_660x_request_mite_channel(struct comedi_device *dev,
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struct ni_gpct *counter,
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enum comedi_io_direction direction)
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{
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struct ni_660x_private *devpriv = dev->private;
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unsigned long flags;
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struct mite_channel *mite_chan;
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spin_lock_irqsave(&private(dev)->mite_channel_lock, flags);
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spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
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BUG_ON(counter->mite_chan);
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mite_chan =
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mite_request_channel(private(dev)->mite, mite_ring(private(dev),
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counter));
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mite_chan = mite_request_channel(devpriv->mite,
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mite_ring(devpriv, counter));
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if (mite_chan == NULL) {
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spin_unlock_irqrestore(&private(dev)->mite_channel_lock, flags);
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spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
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comedi_error(dev,
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"failed to reserve mite dma channel for counter.");
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return -EBUSY;
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@ -861,16 +860,17 @@ static int ni_660x_request_mite_channel(struct comedi_device *dev,
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mite_chan->dir = direction;
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ni_tio_set_mite_channel(counter, mite_chan);
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ni_660x_set_dma_channel(dev, mite_chan->channel, counter);
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spin_unlock_irqrestore(&private(dev)->mite_channel_lock, flags);
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spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
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return 0;
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}
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static void ni_660x_release_mite_channel(struct comedi_device *dev,
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struct ni_gpct *counter)
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{
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struct ni_660x_private *devpriv = dev->private;
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unsigned long flags;
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spin_lock_irqsave(&private(dev)->mite_channel_lock, flags);
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spin_lock_irqsave(&devpriv->mite_channel_lock, flags);
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if (counter->mite_chan) {
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struct mite_channel *mite_chan = counter->mite_chan;
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@ -878,7 +878,7 @@ static void ni_660x_release_mite_channel(struct comedi_device *dev,
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ni_tio_set_mite_channel(counter, NULL);
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mite_release_channel(mite_chan);
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}
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spin_unlock_irqrestore(&private(dev)->mite_channel_lock, flags);
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spin_unlock_irqrestore(&devpriv->mite_channel_lock, flags);
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}
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static int ni_660x_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
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@ -947,6 +947,7 @@ static void ni_660x_handle_gpct_interrupt(struct comedi_device *dev,
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static irqreturn_t ni_660x_interrupt(int irq, void *d)
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{
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struct comedi_device *dev = d;
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struct ni_660x_private *devpriv = dev->private;
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struct comedi_subdevice *s;
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unsigned i;
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unsigned long flags;
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@ -954,24 +955,26 @@ static irqreturn_t ni_660x_interrupt(int irq, void *d)
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if (dev->attached == 0)
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return IRQ_NONE;
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/* lock to avoid race with comedi_poll */
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spin_lock_irqsave(&private(dev)->interrupt_lock, flags);
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spin_lock_irqsave(&devpriv->interrupt_lock, flags);
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smp_mb();
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for (i = 0; i < ni_660x_num_counters(dev); ++i) {
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s = &dev->subdevices[NI_660X_GPCT_SUBDEV(i)];
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ni_660x_handle_gpct_interrupt(dev, s);
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}
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spin_unlock_irqrestore(&private(dev)->interrupt_lock, flags);
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spin_unlock_irqrestore(&devpriv->interrupt_lock, flags);
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return IRQ_HANDLED;
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}
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static int ni_660x_input_poll(struct comedi_device *dev,
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struct comedi_subdevice *s)
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{
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struct ni_660x_private *devpriv = dev->private;
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unsigned long flags;
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/* lock to avoid race with comedi_poll */
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spin_lock_irqsave(&private(dev)->interrupt_lock, flags);
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spin_lock_irqsave(&devpriv->interrupt_lock, flags);
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mite_sync_input_dma(subdev_to_counter(s)->mite_chan, s->async);
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spin_unlock_irqrestore(&private(dev)->interrupt_lock, flags);
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spin_unlock_irqrestore(&devpriv->interrupt_lock, flags);
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return comedi_buf_read_n_available(s->async);
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}
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@ -979,9 +982,10 @@ static int ni_660x_buf_change(struct comedi_device *dev,
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struct comedi_subdevice *s,
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unsigned long new_size)
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{
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struct ni_660x_private *devpriv = dev->private;
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int ret;
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ret = mite_buf_change(mite_ring(private(dev), subdev_to_counter(s)),
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ret = mite_buf_change(mite_ring(devpriv, subdev_to_counter(s)),
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s->async);
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if (ret < 0)
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return ret;
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@ -991,32 +995,35 @@ static int ni_660x_buf_change(struct comedi_device *dev,
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static int ni_660x_allocate_private(struct comedi_device *dev)
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{
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struct ni_660x_private *devpriv;
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int retval;
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unsigned i;
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retval = alloc_private(dev, sizeof(struct ni_660x_private));
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if (retval < 0)
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retval = alloc_private(dev, sizeof(*devpriv));
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if (retval)
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return retval;
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devpriv = dev->private;
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spin_lock_init(&private(dev)->mite_channel_lock);
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spin_lock_init(&private(dev)->interrupt_lock);
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spin_lock_init(&private(dev)->soft_reg_copy_lock);
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spin_lock_init(&devpriv->mite_channel_lock);
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spin_lock_init(&devpriv->interrupt_lock);
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spin_lock_init(&devpriv->soft_reg_copy_lock);
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for (i = 0; i < NUM_PFI_CHANNELS; ++i)
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private(dev)->pfi_output_selects[i] = pfi_output_select_counter;
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devpriv->pfi_output_selects[i] = pfi_output_select_counter;
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return 0;
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}
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static int ni_660x_alloc_mite_rings(struct comedi_device *dev)
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{
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struct ni_660x_private *devpriv = dev->private;
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unsigned i;
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unsigned j;
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for (i = 0; i < board(dev)->n_chips; ++i) {
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for (j = 0; j < counters_per_chip; ++j) {
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private(dev)->mite_rings[i][j] =
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mite_alloc_ring(private(dev)->mite);
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if (private(dev)->mite_rings[i][j] == NULL)
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devpriv->mite_rings[i][j] =
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mite_alloc_ring(devpriv->mite);
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if (devpriv->mite_rings[i][j] == NULL)
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return -ENOMEM;
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}
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}
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@ -1025,12 +1032,13 @@ static int ni_660x_alloc_mite_rings(struct comedi_device *dev)
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static void ni_660x_free_mite_rings(struct comedi_device *dev)
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{
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struct ni_660x_private *devpriv = dev->private;
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unsigned i;
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unsigned j;
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for (i = 0; i < board(dev)->n_chips; ++i) {
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for (j = 0; j < counters_per_chip; ++j)
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mite_free_ring(private(dev)->mite_rings[i][j]);
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mite_free_ring(devpriv->mite_rings[i][j]);
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}
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}
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@ -1051,6 +1059,7 @@ ni_660x_find_boardinfo(struct pci_dev *pcidev)
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static int __devinit ni_660x_attach_pci(struct comedi_device *dev,
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struct pci_dev *pcidev)
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{
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struct ni_660x_private *devpriv;
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struct comedi_subdevice *s;
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int ret;
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unsigned i;
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@ -1059,21 +1068,23 @@ static int __devinit ni_660x_attach_pci(struct comedi_device *dev,
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ret = ni_660x_allocate_private(dev);
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if (ret < 0)
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return ret;
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devpriv = dev->private;
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dev->board_ptr = ni_660x_find_boardinfo(pcidev);
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if (!dev->board_ptr)
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return -ENODEV;
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private(dev)->mite = mite_alloc(pcidev);
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if (!private(dev)->mite)
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devpriv->mite = mite_alloc(pcidev);
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if (!devpriv->mite)
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return -ENOMEM;
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dev->board_name = board(dev)->name;
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ret = mite_setup2(private(dev)->mite, 1);
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ret = mite_setup2(devpriv->mite, 1);
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if (ret < 0) {
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dev_warn(dev->class_dev, "error setting up mite\n");
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return ret;
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}
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comedi_set_hw_dev(dev, &private(dev)->mite->pcidev->dev);
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comedi_set_hw_dev(dev, &devpriv->mite->pcidev->dev);
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ret = ni_660x_alloc_mite_rings(dev);
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if (ret < 0)
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return ret;
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@ -1100,13 +1111,13 @@ static int __devinit ni_660x_attach_pci(struct comedi_device *dev,
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output enables in stc dio control reg */
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ni_660x_write_register(dev, 0, 0, STCDIOControl);
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private(dev)->counter_dev = ni_gpct_device_construct(dev,
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devpriv->counter_dev = ni_gpct_device_construct(dev,
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&ni_gpct_write_register,
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&ni_gpct_read_register,
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ni_gpct_variant_660x,
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ni_660x_num_counters
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(dev));
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if (private(dev)->counter_dev == NULL)
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if (devpriv->counter_dev == NULL)
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return -ENOMEM;
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for (i = 0; i < NI_660X_MAX_NUM_COUNTERS; ++i) {
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s = &dev->subdevices[NI_660X_GPCT_SUBDEV(i)];
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@ -1127,11 +1138,11 @@ static int __devinit ni_660x_attach_pci(struct comedi_device *dev,
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s->poll = &ni_660x_input_poll;
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s->async_dma_dir = DMA_BIDIRECTIONAL;
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s->buf_change = &ni_660x_buf_change;
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s->private = &private(dev)->counter_dev->counters[i];
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s->private = &devpriv->counter_dev->counters[i];
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private(dev)->counter_dev->counters[i].chip_index =
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devpriv->counter_dev->counters[i].chip_index =
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i / counters_per_chip;
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private(dev)->counter_dev->counters[i].counter_index =
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devpriv->counter_dev->counters[i].counter_index =
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i % counters_per_chip;
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} else {
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s->type = COMEDI_SUBD_UNUSED;
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@ -1141,7 +1152,7 @@ static int __devinit ni_660x_attach_pci(struct comedi_device *dev,
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init_tio_chip(dev, i);
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for (i = 0; i < ni_660x_num_counters(dev); ++i)
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ni_tio_init_counter(&private(dev)->counter_dev->counters[i]);
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ni_tio_init_counter(&devpriv->counter_dev->counters[i]);
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for (i = 0; i < NUM_PFI_CHANNELS; ++i) {
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if (i < min_counter_pfi_chan)
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@ -1156,13 +1167,13 @@ static int __devinit ni_660x_attach_pci(struct comedi_device *dev,
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for (i = 0; i < board(dev)->n_chips; ++i)
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set_tio_counterswap(dev, i);
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ret = request_irq(mite_irq(private(dev)->mite), ni_660x_interrupt,
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ret = request_irq(mite_irq(devpriv->mite), ni_660x_interrupt,
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IRQF_SHARED, "ni_660x", dev);
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if (ret < 0) {
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dev_warn(dev->class_dev, " irq not available\n");
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return ret;
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}
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dev->irq = mite_irq(private(dev)->mite);
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dev->irq = mite_irq(devpriv->mite);
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global_interrupt_config_bits = Global_Int_Enable_Bit;
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if (board(dev)->n_chips > 1)
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global_interrupt_config_bits |= Cascade_Int_Enable_Bit;
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@ -1174,15 +1185,17 @@ static int __devinit ni_660x_attach_pci(struct comedi_device *dev,
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static void ni_660x_detach(struct comedi_device *dev)
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{
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struct ni_660x_private *devpriv = dev->private;
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if (dev->irq)
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free_irq(dev->irq, dev);
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if (dev->private) {
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if (private(dev)->counter_dev)
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ni_gpct_device_destroy(private(dev)->counter_dev);
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if (private(dev)->mite) {
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if (devpriv) {
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if (devpriv->counter_dev)
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ni_gpct_device_destroy(devpriv->counter_dev);
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if (devpriv->mite) {
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ni_660x_free_mite_rings(dev);
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mite_unsetup(private(dev)->mite);
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mite_free(private(dev)->mite);
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mite_unsetup(devpriv->mite);
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mite_free(devpriv->mite);
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}
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}
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}
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@ -1196,17 +1209,17 @@ ni_660x_GPCT_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
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static void init_tio_chip(struct comedi_device *dev, int chipset)
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{
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struct ni_660x_private *devpriv = dev->private;
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unsigned i;
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/* init dma configuration register */
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private(dev)->dma_configuration_soft_copies[chipset] = 0;
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devpriv->dma_configuration_soft_copies[chipset] = 0;
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for (i = 0; i < MAX_DMA_CHANNEL; ++i) {
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private(dev)->dma_configuration_soft_copies[chipset] |=
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devpriv->dma_configuration_soft_copies[chipset] |=
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dma_select_bits(i, dma_selection_none) & dma_select_mask(i);
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}
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ni_660x_write_register(dev, chipset,
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private(dev)->
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dma_configuration_soft_copies[chipset],
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devpriv->dma_configuration_soft_copies[chipset],
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DMAConfigRegister);
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for (i = 0; i < NUM_PFI_CHANNELS; ++i)
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ni_660x_write_register(dev, chipset, 0, IOConfigReg(i));
|
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@ -1294,6 +1307,8 @@ static void ni_660x_select_pfi_output(struct comedi_device *dev,
|
||||
static int ni_660x_set_pfi_routing(struct comedi_device *dev, unsigned chan,
|
||||
unsigned source)
|
||||
{
|
||||
struct ni_660x_private *devpriv = dev->private;
|
||||
|
||||
if (source > num_pfi_output_selects)
|
||||
return -EINVAL;
|
||||
if (source == pfi_output_select_high_Z)
|
||||
@ -1307,19 +1322,20 @@ static int ni_660x_set_pfi_routing(struct comedi_device *dev, unsigned chan,
|
||||
}
|
||||
BUG_ON(chan >= NUM_PFI_CHANNELS);
|
||||
|
||||
private(dev)->pfi_output_selects[chan] = source;
|
||||
if (private(dev)->pfi_direction_bits & (((uint64_t) 1) << chan))
|
||||
devpriv->pfi_output_selects[chan] = source;
|
||||
if (devpriv->pfi_direction_bits & (((uint64_t) 1) << chan))
|
||||
ni_660x_select_pfi_output(dev, chan,
|
||||
private(dev)->
|
||||
pfi_output_selects[chan]);
|
||||
devpriv->pfi_output_selects[chan]);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static unsigned ni_660x_get_pfi_routing(struct comedi_device *dev,
|
||||
unsigned chan)
|
||||
{
|
||||
struct ni_660x_private *devpriv = dev->private;
|
||||
|
||||
BUG_ON(chan >= NUM_PFI_CHANNELS);
|
||||
return private(dev)->pfi_output_selects[chan];
|
||||
return devpriv->pfi_output_selects[chan];
|
||||
}
|
||||
|
||||
static void ni660x_config_filter(struct comedi_device *dev,
|
||||
@ -1336,6 +1352,7 @@ static int ni_660x_dio_insn_config(struct comedi_device *dev,
|
||||
struct comedi_subdevice *s,
|
||||
struct comedi_insn *insn, unsigned int *data)
|
||||
{
|
||||
struct ni_660x_private *devpriv = dev->private;
|
||||
int chan = CR_CHAN(insn->chanspec);
|
||||
|
||||
/* The input or output configuration of each digital line is
|
||||
@ -1345,18 +1362,17 @@ static int ni_660x_dio_insn_config(struct comedi_device *dev,
|
||||
|
||||
switch (data[0]) {
|
||||
case INSN_CONFIG_DIO_OUTPUT:
|
||||
private(dev)->pfi_direction_bits |= ((uint64_t) 1) << chan;
|
||||
devpriv->pfi_direction_bits |= ((uint64_t) 1) << chan;
|
||||
ni_660x_select_pfi_output(dev, chan,
|
||||
private(dev)->
|
||||
pfi_output_selects[chan]);
|
||||
devpriv->pfi_output_selects[chan]);
|
||||
break;
|
||||
case INSN_CONFIG_DIO_INPUT:
|
||||
private(dev)->pfi_direction_bits &= ~(((uint64_t) 1) << chan);
|
||||
devpriv->pfi_direction_bits &= ~(((uint64_t) 1) << chan);
|
||||
ni_660x_select_pfi_output(dev, chan, pfi_output_select_high_Z);
|
||||
break;
|
||||
case INSN_CONFIG_DIO_QUERY:
|
||||
data[1] =
|
||||
(private(dev)->pfi_direction_bits &
|
||||
(devpriv->pfi_direction_bits &
|
||||
(((uint64_t) 1) << chan)) ? COMEDI_OUTPUT : COMEDI_INPUT;
|
||||
return 0;
|
||||
case INSN_CONFIG_SET_ROUTING:
|
||||
|
||||
Loading…
Reference in New Issue
Block a user